Mobile warehouse ladder

Details Mobile warehouse ladder Mobile warehouse ladder

1996-11-19

1998-08-11

Chin-Shue, Alvin C.

Fire escape, ladder, or scaffold

Horizontal traversing - actuation, control, or response

Holding means

182 15, E06C 500

Patent

active

057914346

ABSTRACT:
A mobile ladder arrangement including base, ladder and linkage and caming assemblies therebetween to provide a foot actuated ladder assembly secured "use mode" and a hand actuated ladder assembly "mobile mode".

REFERENCES:
patent: 2521114 (1950-09-01), Campbell
patent: 2624590 (1953-01-01), Tilton
patent: 3155190 (1964-11-01), Borgman
patent: 3175641 (1965-03-01), Mihalik
patent: 3291254 (1966-12-01), Mihalik
patent: 3684055 (1972-08-01), Rice
patent: 4044857 (1977-08-01), Guerette
patent: 4063616 (1977-12-01), Gutierrez

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